When Is an EPC Not Required? UK 2026 Exemptions | C-Lec Electrical
EPC Ratings • C-Lec Electrical

When Is an
EPC Not Required?

EPCs are not required for listed buildings where compliance would damage character, places of worship, temporary buildings used under 2 years, very small standalone buildings under 50 square metres, holiday lets used under 4 months per year plus industrial sites with low energy demand. Each exemption is narrow plus must be properly documented.

Updated: April 2026
Unit rate: 24.7p/kWh (Ofgem Q2 2026)
Coverage: Bedford · Milton Keynes · Northampton
The short answer

EPCs are not required for several specific categories of building under Regulation 5 of the Energy Performance of Buildings (England plus Wales) Regulations 2012. The main exemptions cover listed buildings where compliance with minimum energy performance requirements would unacceptably alter character, places of worship plus religious buildings, temporary buildings used for less than 2 years, industrial sites plus workshops with low energy demand, standalone buildings under 50 square metres of useful floor space, buildings due for demolition with relevant planning consent plus holiday lets used for less than 4 months per year. Each exemption is narrow plus must be properly assessed plus documented. Listed building exemption in particular is not automatic plus requires a character impact test.

By the numbers

The figures that matter

Reg 5

Legal basis

Energy Performance of Buildings Regulations 2012 Regulation 5 covers all main exemptions.

50sqm

Small building

Standalone buildings under 50 square metres of useful floor space are exempt.

2years

Temporary use

Buildings used for less than 2 years are exempt as temporary structures.

4months

Holiday lets

Holiday lets used for less than 4 months per year are exempt from rental EPC requirement.

Where to start

Four things to consider

Listed buildings need character test

Not automatic. Exemption only applies if compliance would unacceptably alter character or appearance.

Places of worship are exempt

Buildings used for religious activities. Includes churches, mosques, synagogues, temples plus religious gathering spaces.

Industrial sites with low energy demand

Workshops, warehouses plus storage buildings without fixed heating typically qualify.

Document the exemption case

Keep written records of the exemption assessment. Useful when selling, letting or facing enforcement queries.

The detailed answer

The main EPC exemptions in UK law

Most UK properties need an EPC for sale, rent or new build. The exemptions cover specific categories where the rules would not work properly or would impose disproportionate burden. Each exemption is narrow plus must be properly assessed.

Exemption 1: Listed buildings (character impact test). Listed buildings are exempt from EPC requirements only when compliance with minimum energy performance requirements would unacceptably alter character or appearance. This is a property-by-property test, not based on listing alone. Many Grade II listed homes can have loft insulation plus internal upgrades without character damage plus do still need EPCs. Local authority conservation officers can advise on the character impact test.

Exemption 2: Places of worship plus religious buildings. Buildings used for religious activities are exempt. Includes churches, mosques, synagogues, temples plus other religious gathering spaces. Multi-use buildings with religious plus secular functions may need partial EPCs covering the secular portions only.

Exemption 3: Temporary buildings (under 2 years). Buildings designed plus used for less than 2 years are exempt. Includes site huts, marquees with planning consent for under 2 years plus temporary exhibition structures. Use must be intended as temporary at the time of construction.

Exemption 4: Industrial sites, workshops plus non-residential agricultural buildings with low energy demand. Includes:

  • Industrial warehouses with no fixed heating system.
  • Workshops with no occupant comfort heating.
  • Storage units plus self-storage facilities.
  • Cold stores plus chilled storage (cooling for goods not occupants).
  • Agricultural barns, sheds plus stables.
  • Open-sided structures plus canopies.
  • Garages plus motor vehicle storage.

Mixed-use buildings with heated office sections plus unheated warehouse sections typically need partial EPCs covering the heated portion only.

Exemption 5: Standalone buildings under 50 square metres. Buildings with total useful floor space less than 50 square metres are exempt. Useful floor space excludes utility cupboards plus mezzanine areas with low headroom. Most garden offices, summer houses plus small annexes fall under this exemption. Note that the exemption only applies to truly standalone buildings, not extensions to existing buildings.

Exemption 6: Buildings due for demolition. Properties for which the seller has applied for relevant planning consent or demolition consent are exempt. The intention to demolish must be documented. Sellers must be able to evidence the planning application or demolition notice if challenged.

Exemption 7: Holiday lets used for less than 4 months per year. Holiday lets used for less than 4 months total in any year are exempt from the rental EPC requirement. The 4-month threshold is cumulative across the year, not consecutive. Holiday lets used for more than 4 months per year are treated as standard rental properties plus need EPCs rated E or above (rising to C from October 2030).

How to confirm an exemption. Each exemption is narrow plus owners should:

  • Document the exemption case in writing. Photographs, floor plans plus written advice from professionals where applicable.
  • Keep records on file. Useful for sales, letting plus enforcement queries.
  • Consult professionals for borderline cases. Conservation officers (listed buildings), commercial Energy Assessors (industrial sites) or solicitors (legal interpretation).
  • Confirm with local Trading Standards or Building Control if uncertain.

What exemption does NOT mean. Exemption from EPC requirement does not exempt the property from:

  • Building Regulations Part L energy performance requirements at construction or major renovation.
  • MEES Regulations rental rules (separate exemption process via PRS Exemptions Register if applicable).
  • Other property safety plus condition regulations.
  • Listed Building Consent requirements for any physical alterations.

If your property does need an EPC after all. If the exemption assessment shows the property is not exempt, commission an EPC from an accredited Domestic Energy Assessor. Cost £60 to £150 for a typical UK home. Process takes 3 to 7 days from booking to receiving the issued certificate.

UK source check. EPC exemptions are set under Regulation 5 of the Energy Performance of Buildings (England plus Wales) Regulations 2012. Listed building exemption is specifically covered by Regulation 5(1)(a). The Department for Energy Security plus Net Zero (DESNZ) publishes guidance on each exemption category. Trading Standards enforces sale-related EPC requirements. Local authorities enforce rental MEES rules. Building Control enforces new build plus major renovation requirements.
Cost breakdown

Real number ranges

EPC cost vs exemption assessment

Self-assessment of exemption status 0 to 0 £
Professional pre-assessment review (borderline cases) 100 to 300 £
Commission EPC if not exempt 60 to 250 £
Step by step

How to confirm EPC exemption status

01
Step 1

Identify potential exemption

Listed building, place of worship, temporary, small standalone, holiday let, industrial. Check which category applies.

02
Step 2

Apply the specific test

Listed buildings need character impact test. Industrial sites need fixed-services test. Holiday lets need 4-month threshold check.

03
Step 3

Document the case

Photographs, floor plans, written professional advice plus measured floor area where relevant. Keep on file.

04
Step 4

Confirm with authority if uncertain

Conservation officer (listed), Trading Standards (sales) or local authority Building Control as appropriate.

Practical guidance

Four common EPC exemption misunderstandings

Listed status alone does not exempt

The character impact test must be applied. Many Grade II listed homes still need EPCs.

Conservation areas are subject to the same test

Buildings in conservation areas (not necessarily listed) face the same character impact test.

Holiday lets above 4 months need EPCs

The 4-month threshold is cumulative across the year. Many holiday lets exceed it plus need standard rental EPCs.

Industrial exemption needs fixed-services test

No fixed heating, ventilation or air conditioning system. Portable heaters do not count toward the test.

Side by side

Compare the options

EPC required

EPC required

  • Most domestic sales plus rentals. Within 7 days of marketing for sales.
  • New builds plus major renovations. Building Regulations requirement.
  • Most listed buildings. Character test rarely meets exemption threshold.
  • Office plus retail commercial. Always need heating for occupants.
  • Holiday lets above 4 months per year. Standard rental rules apply.
EPC exempt

EPC exempt

  • Listed buildings (character test passed). Compliance would damage appearance.
  • Places of worship. Used for religious activities.
  • Temporary buildings under 2 years. Documented temporary use.
  • Industrial sites with no fixed heating. Warehouses plus workshops.
  • Standalone buildings under 50 sqm. Truly standalone, not extensions.

EPC exemptions are narrow but useful when they apply. Our full EPC Ratings hub covers Energy Performance Certificates plus MEES regulations across UK homes plus rental properties.

Part of the hub

Visit the EPC Ratings Hub

This article is one chapter inside our complete EPC Ratings knowledge base. The hub covers Energy Performance Certificates plus MEES regulations across UK homes plus rental properties.

Keep reading

More on EPC ratings

Three further EPC requirement articles in the same hub group cover related questions. The first is is an epc a legal requirement for the broader legal context. The second covers do listed buildings need an epc for the listed building question. The third is is an epc required for commercial property with no heating for the commercial exemption.

Frequently asked

When Is an EPC Not Required? FAQ

When is an EPC not required in the UK?
Listed buildings where compliance would damage character, places of worship, temporary buildings under 2 years, industrial sites with low energy demand, standalone buildings under 50 square metres, buildings due for demolition with planning consent plus holiday lets used under 4 months per year. Each exemption is narrow plus must be assessed individually.
Are listed buildings always exempt from EPCs?
No. Listed building exemption applies only when compliance with minimum energy performance requirements would unacceptably alter character or appearance. The test is property-by-property, not based on listing alone. Many Grade II listed homes can have loft insulation plus internal upgrades without character damage plus still need EPCs.
Are small buildings exempt from EPCs?
Standalone buildings under 50 square metres of useful floor space are exempt. The exemption only applies to truly standalone buildings, not extensions to existing buildings. Most garden offices, summer houses plus small annexes fall under this exemption. Useful floor space excludes utility cupboards plus very low-headroom mezzanines.
Are holiday lets exempt from EPC requirements?
Only if used for less than 4 months total in any year. The 4-month threshold is cumulative across the year, not consecutive. Holiday lets used for more than 4 months per year are treated as standard rental properties plus need EPCs rated E or above (rising to C from October 2030).
How do I prove my property is exempt from EPC requirements?
Document the exemption case in writing with photographs, floor plans plus professional advice where applicable. Keep records on file. Useful for sales, letting plus enforcement queries. Conservation officers can advise on listed buildings. Commercial Energy Assessors can confirm industrial site exemption. Local authorities can clarify borderline cases.